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| CAS No.: | 6635-31-0 |
|---|---|
| Name: | 6-Hydroxy-5-nitronicotinic acid |
| Molecular Structure: | |
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| Formula: | C6H4N2O5 |
| Molecular Weight: | 184.11 |
| Synonyms: | Nicotinicacid, 6-hydroxy-5-nitro- (7CI,8CI);6-Hydroxy-5-nitronicotinic acid;NSC 52204;6-Hydroxy-5-nitro-nicotinic acid; |
| Density: | 1.746 g/cm3 |
| Melting Point: | 269-271oC |
| Boiling Point: | 463.434 °C at 760 mmHg |
| Flash Point: | 234.076 °C |
| Appearance: | light yellow to off-white powder |
| Hazard Symbols: | Xi |
| Risk Codes: | 36/37 |
| Safety: | 26 |
| PSA: | 116.24000 |
| LogP: | 0.91680 |
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Chemistry
IUPAC Name: 5-nitro-6-oxo-1H-pyridine-3-carboxylic acid
Empirical Formula: C6H4N2O5
Molecular Weight: 184.1064g/mol
Structure of 3-Pyridinecarboxylicacid, 1,6-dihydro-5-nitro-6-oxo- (CAS NO.6635-31-0):
Index of Refraction: 1.634
Molar Refractivity: 38.6 cm3
Molar Volume: 107.8 cm3
Polarizability: 15.3×10-24cm3
Surface Tension: 80.4 dyne/cm
Density: 1.7 g/cm3
Flash Point: 173.7 °C
Enthalpy of Vaporization: 66.97 kJ/mol
Boiling Point: 363.6 °C at 760 mmHg
Vapour Pressure: 2.82E-06 mmHg at 25°C
Product Categories: blocks;Carboxes;NitroCompounds;Pyridines;CHIRAL CHEMICALS
SMILES: O=[N+]([O-])\C1=C\C(=C/NC1=O)C(=O)O
InChI: InChI=1/C6H4N2O5/c9-5-4(8(12)13)1-3(2-7-5)6(10)11/h1-2H,(H,7,9)(H,10,11)
InChIKey: VJMXJGVEVASJOD-UHFFFAOYAD
Safety Profile
Hazard Codes: 
Xi
Hazard Note: Irritant/Keep Cold
HazardClass: IRRITANT
Specification
3-Pyridinecarboxylicacid, 1,6-dihydro-5-nitro-6-oxo- , its cas register number is 6635-31-0. It also can be called 3-Pyridinecarboxylic acid, 6-hydroxy-5-nitro- ; 5-Nitro-6-oxo-1,6-dihydropyridine-3-carboxylic acid ; 6-Hydroxy-5-nitronicotinic acid ; Acide 5-nitro-6-oxo-1,6-dihydropyridine-3-carboxylique ; 2-Hydroxy-3-nitro-5-pyridinecarboxylic acid ;
5-Nitro-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid . The storage environment of 3-Pyridinecarboxylicacid, 1,6-dihydro-5-nitro-6-oxo- (CAS NO.6635-31-0) should be cold.